<template>
  <view class="goods-detail-container">
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in goodsInfo.pics" :key="i">
        <image :src="item.pics_big" @click="previewImg(i)"></image>
      </swiper-item>
    </swiper>
    <!-- 商品信息区域 -->
    <view class="goods-info-box" v-if="goodsInfo.goods_price">
      <!-- 商品价格 -->
      <view class="price">￥{{goodsInfo.goods_price}}</view>
      <!-- 信息主体区域 -->
      <view class="goods-info-body">
        <!-- 商品名称 -->
        <view class="goods-name">{{goodsInfo.goods_name}}</view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <!-- 运费 -->
      <view class="yf">快递：免运费==={{car.length}}</view>
      <!-- 商品详情信息 -->
      <rich-text :nodes="goodsInfo.goods_introduce"></rich-text>
    </view>
    <view class="goods_nav">
      <uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick"
        @buttonClick="buttonClick" />
    </view>
  </view>
</template>

<script>
  import {mapState,mapMutations,mapGetters} from 'vuex'
  export default {
    data() {
      return {
        goodsInfo: {},
        options: [{
          icon: 'headphones',
          text: '客服'
        }, {
          icon: 'cart',
          text: '购物车',
          info: 0
        }],
        buttonGroup: [{
            text: '加入购物车',
            backgroundColor: '#ff0000',
            color: '#fff'
          },
          {
            text: '立即购买',
            backgroundColor: '#ffa200',
            color: '#fff'
          }
        ]
      };
    },
    watch:{
      total:{
        immediate:true,
        handler(newval) {
          this.options[1].info=newval
        }
      }
    },
    onLoad(options) {
      console.log(options);
      this.getGoodsInfo(options.goods_id)
    },
    computed: {
      // 模块化的语法
    ...mapState({
        car:state=>state.car.car
    }),
    ...mapGetters('car',['total'])
    // 语义化
    // ...mapState('car',['car'])
    },
    methods: {
        ...mapMutations('car',['addCar']),
      async getGoodsInfo(id) {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/goods/detail', {
          goods_id: id
        })
        if (res.meta.status !== 200) return uni.$showToast()
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img/g, '<img style="display:block"')
          .replace(/webp/g, 'jpg')
        this.goodsInfo = res.message

      },
      previewImg(idx) {
        uni.previewImage({
          current: idx,
          urls: this.goodsInfo.pics.map(val => val.pics_big)
        })
      },
      onClick(e) {
        if (e.content.text === '购物车') {
          uni.switchTab({
            url: '/pages/car/car'
          })
        }
      },
      buttonClick(e) {
        if (e.content.text === '加入购物车') {
        this.addCar({
          goods_id:this.goodsInfo.goods_id,
          goods_name:this.goodsInfo.goods_name,
          goods_price:this.goodsInfo.goods_price,
          goods_count:1,
          goods_small_logo:this.goodsInfo.goods_small_logo,
          goods_state:true,
        })
        }
      }
    },
  }
</script>

<style lang="scss">
  swiper {
    height: 750rpx;

    image {
      width: 100%;
      height: 100%;
    }
  }

  // 商品信息区域的样式
  .goods-info-box {
    padding: 10px;
    padding-right: 0;

    .price {
      color: #c00000;
      font-size: 18px;
      margin: 10px 0;
    }

    .goods-info-body {
      display: flex;
      justify-content: space-between;

      .goods-name {
        font-size: 13px;
        padding-right: 10px;
      }

      // 收藏区域
      .favi {
        width: 120px;
        font-size: 12px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        border-left: 1px solid #efefef;
        color: gray;
      }
    }

    // 运费
    .yf {
      margin: 10px 0;
      font-size: 12px;
      color: gray;
    }
  }

  .goods-detail-container {
    // 给页面外层的容器，添加 50px 的内padding，
    // 防止页面内容被底部的商品导航组件遮盖
    padding-bottom: 50px;
  }

  .goods_nav {
    // 为商品导航组件添加固定定位
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
  }
</style>
